Avenida Paulista in São Paulo. When it comes to rising housing prices, no country in the world beats Brazil . According to Knight Frank’s Global Real Estate Index, released this month, Brazil ranks No. 3 in the world and No. 1 in the Americas for rising home prices. Only ridiculously expensive Hong Kong and Dubai, which are not countries, have seen prices rise more. So in fact, no single country has seen its housing prices rise as much as Brazil. Brazil housing prices rose 13.7% from the fourth quarter of 2011 to Dec. 31, 2012. By comparison, U.S. housing prices rose 7.3% in the same period, putting it at No. 12 in a list of 55 countries ranked by Knight Frank. The only other country in the hemisphere to make it into the top 20 was Colombia , with real estate prices rising 8.3% in 2012. Brazil stands out. And one reason is the low cost of financing. Or at least low by Brazilian standards. Mortgage rates are at least 1.3% a month , and loan payments a...